I'm into fishing and boating and saw the one survivor has done an interview which will air on HBO this week. Here is an interesting report of what happend over those days and how the boat flipped. They actually flipped the boat themself trying to pull loose the anchore which they tied off to the rear of the boat. Thats not a very smart thing to do when your in rough water as they were and when the guy hit the gas the boat flipped right over.
http://www.myfwc.com/docs/Newsroom/F...WSW_09_OFF.pdf